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Author Question: The three things necessary for combustion are: A) Gas, air, and a burner. B) Fuel, heat, and ... (Read 155 times)

RRMR

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on: Jul 24, 2018
The three things necessary for combustion are:
 
  A) Gas, air, and a burner. B) Fuel, heat, and carbon dioxide.
  C) Fuel, oxygen, and heat. D) Air, gas, and a combustion chamber.

Question 2

Large rooftop package AC units often use ________ to help draw in fresh air to meet code requirements and to cool if temperature and humidity permit.
 
  A) low pressure B) airflow C) enthalpy D) an economizer


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abctaiwan

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Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

D


RRMR

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Reply 2 on: Jul 24, 2018
Gracias!

deja

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Reply 3 on: Yesterday
Wow, this really help

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